Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pennsylvania

Precipitation Rankings, June 1991

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
June 1991
1-Month
1.59"
(40.39mm)
4.17"
(105.92mm)
-2.58"
(-65.53mm)
3rd Driest
Driest since:
1966
126th Wettest
Wettest since:
1972
May–Jun 1991
2-Month
3.82"
(97.03mm)
8.10"
(205.74mm)
-4.28"
(-108.71mm)
1st Driest
Driest since:
1991
128th Wettest
Wettest since:
1972
Apr–Jun 1991
3-Month
6.97"
(177.04mm)
11.74"
(298.20mm)
-4.77"
(-121.16mm)
2nd Driest
Driest since:
1965
127th Wettest
Wettest since:
1972
Mar–Jun 1991
4-Month
10.85"
(275.59mm)
15.23"
(386.84mm)
-4.38"
(-111.25mm)
5th Driest
Driest since:
1926
124th Wettest
Wettest since:
1972
Feb–Jun 1991
5-Month
12.57"
(319.28mm)
17.83"
(452.88mm)
-5.26"
(-133.60mm)
2nd Driest
Driest since:
1941
127th Wettest
Wettest since:
1972
Jan–Jun 1991
6-Month
15.32"
(389.13mm)
20.88"
(530.35mm)
-5.56"
(-141.22mm)
3rd Driest
Driest since:
1941
126th Wettest
Wettest since:
1972
Dec 1990–Jun 1991
7-Month
21.62"
(549.15mm)
23.98"
(609.09mm)
-2.36"
(-59.94mm)
31st Driest
Driest since:
1941
97th Wettest
Wettest since:
1972
Nov 1990–Jun 1991
8-Month
24.09"
(611.89mm)
27.19"
(690.63mm)
-3.10"
(-78.74mm)
20th Driest
Driest since:
1934
108th Wettest
Wettest since:
2019
Oct 1990–Jun 1991
9-Month
29.90"
(759.46mm)
30.36"
(771.14mm)
-0.46"
(-11.68mm)
55th Driest
Driest since:
1925
73rd Wettest
Wettest since:
2019
Sep 1990–Jun 1991
10-Month
34.02"
(864.11mm)
33.92"
(861.57mm)
0.10"
(2.54mm)
66th Driest
Driest since:
1965
62nd Wettest
Wettest since:
2019
Aug 1990–Jun 1991
11-Month
39.24"
(996.70mm)
37.79"
(959.87mm)
1.45"
(36.83mm)
75th Driest
Driest since:
1931
53rd Wettest
Wettest since:
2019
Jul 1990–Jun 1991
12-Month
44.46"
(1,129.28mm)
41.99"
(1,066.55mm)
2.47"
(62.73mm)
81st Driest
Driest since:
1931
47th Wettest
Wettest since:
2019
Jan 1990–Jun 1991
18-Month
65.02"
(1,651.51mm)
62.83"
(1,595.88mm)
2.19"
(55.63mm)
83rd Driest
Driest since:
1931
45th Wettest
Wettest since:
2019
Jul 1989–Jun 1991
24-Month
84.08"
(2,135.63mm)
83.92"
(2,131.57mm)
0.16"
(4.06mm)
58th Driest
Driest since:
1966
69th Wettest
Wettest since:
2019
Jul 1988–Jun 1991
36-Month
129.43"
(3,287.52mm)
125.95"
(3,199.13mm)
3.48"
(88.39mm)
76th Driest
Driest since:
1966
50th Wettest
Wettest since:
2019
Jul 1987–Jun 1991
48-Month
168.01"
(4,267.45mm)
167.95"
(4,265.93mm)
0.06"
(1.52mm)
51st Driest
Driest since:
1966
74th Wettest
Wettest since:
2020
Jul 1986–Jun 1991
60-Month
209.65"
(5,325.11mm)
209.88"
(5,330.95mm)
-0.23"
(-5.84mm)
49th Driest
Driest since:
1966
75th Wettest
Wettest since:
2022

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